SPARK CENTER ELECTRODE and TIP DESIGN

SPARK PLUG TECHNICAL INFORMATION (WHITEPAPER) SPARK CENTER ELECTRODE and TIP DESIGN The performance tuning industry is brimming with misinformation regarding SPARK plug CENTER ELECTRODE DESIGN , with perhaps the largest misconception of all being that because copper is a better conductor than iridium the so-called copper SPARK plugs offered by many manufacturers are also somehow superior. It is true that copper is superior to iridium in its heat and electrical conduction capabilities, however it is also a completely unsuitable material to be used as a high voltage ELECTRODE , and it not used as ELECTRODE material on any SPARK plug. The so-called copper plugs often spoken about use copper plugged nickel/chrome alloy for the CENTER ELECTRODE . Perhaps contrary to intuitive thinking, in SPARK plug DESIGN the conduction of electricity is of secondary concern to minimizing the power needed to ionize the SPARK gap.

Figure 6 Voltage loss at the spark plug with this example using a standard spark plug is 11,313 volts. Figure 7 Voltage loss at the spark plug with this example using a WeaponX spark plug is 23.31 volts.

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